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Faul, Kristina L; Delaney, Margaret Lois (2000): Calcium carbonate content and concentration of phosphorus components in sediments of ODP Leg 171B sites [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.788153, Supplement to: Faul, KL; Delaney, ML (2000): Data report: Phosphorus concentrations and geochemistry in Blake Nose sediments from Leg 171B. In: Kroon, D; Norris, RD; Klaus, A (eds.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 171B, 1-10, https://doi.org/10.2973/odp.proc.sr.171B.120.2000

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Abstract:
Quantifying phosphorus (P) concentrations in marine sediments is necessary for constraining the oceanic record of phosphorus burial and helps to constrain P sedimentary geochemistry. To understand P geochemistry in the sediments, we must determine the geochemical forms of P as well as the transformations occurring between these P components with depth and age. Although several records now exist of P geochemistry in the western and eastern equatorial Pacific (Filippelli and Delaney, 1995, doi:10.2973/odp.proc.sr.138.144.1995; 1996, doi:10.1016/0016-7037(96)00042-7), the western equatorial Atlantic (Delaney and Anderson, 1997, doi:10.2973/odp.proc.sr.154.124.1997), the California Current (Delaney and Anderson, in press), and the Benguela Current (Anderson et al., 2001, doi:10.1029/2000GB001270), most of these are Neogene records. Relatively little data exist from sediments of the Paleogene or Cretaceous, time periods when carbon isotope records indicate major carbon shifts and when the nature of P geochemistry has not been well constrained. Samples from several sites at various water depths, oceanographic regions, and ages are needed to understand how P geochemistry and burial in sediments reflect ocean history.
We determined P geochemistry and reactive P concentrations in Atlantic sediments of Eocene to Cretaceous age. These are the first records of P geochemistry with good age control from this period. Blake Nose sites are ideal for investigating P geochemistry, as the sediments are shallowly buried at a range of water depths and sedimentation rates. We determined P concentrations and geochemistry, along with calcium carbonate contents, in mid-Cretaceous to upper Eocene sediments drilled on Blake Nose (Ocean Drilling Program Leg 171B) in a depth transect of four sites (Sites 1052, 1051, 1050, and 1049; water depths: 1345, 1983, 2300, and 2656 m, respectively).
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Median Latitude: 30.061646 * Median Longitude: -76.332861 * South-bound Latitude: 29.951300 * West-bound Longitude: -76.626800 * North-bound Latitude: 30.142380 * East-bound Longitude: -76.112160
Date/Time Start: 1997-01-13T13:15:00 * Date/Time End: 1997-02-08T19:30:00
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
4 datasets

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Datasets listed in this publication series

  1. Faul, KL; Delaney, ML (2000): (Table T1) Concentration of calcium carbonate and phosphorus components in ODP Hole 171B-1049A. https://doi.org/10.1594/PANGAEA.788149
  2. Faul, KL; Delaney, ML (2000): (Table T2) Concentration of calcium carbonate and phosphorus components in ODP Site 171B-1050. https://doi.org/10.1594/PANGAEA.788150
  3. Faul, KL; Delaney, ML (2000): (Table T3) Concentration of calcium carbonate and phosphorus components in ODP Hole 171B-1051A. https://doi.org/10.1594/PANGAEA.788151
  4. Faul, KL; Delaney, ML (2000): (Table T4) Concentration of calcium carbonate and phosphorus components in ODP Site 171B-1052. https://doi.org/10.1594/PANGAEA.788152